Home / 1,040,197.05-1,560,301.53-320,529.33

Finding the Fourth Proportional to 1,040,197.05, 1,560,301.53 and 320,529.33

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Solution

The fourth proportional to 1,040,197.05, 1,560,301.53 and 320,529.33 is: 480,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,197.05 : 1,560,301.53 = 320,529.33 : x
  2. Step 2: Convert to fraction form
    1,040,197.05/1,560,301.53 = 320,529.33/x
  3. Step 3: Cross multiply
    1,040,197.05x = 1,560,301.53 × 320,529.33
  4. Step 4: Simplify right side
    1,040,197.05x = 500,122,404,008.88
  5. Step 5: Solve for x
    x = 500,122,404,008.88/1,040,197.05
  6. Step 6: Final answer
    x = 480,795.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.